log.java

来自「东软短信网关接入程序」· Java 代码 · 共 49 行

package com.zznode.dp.ismg.util;

import java.io.PrintWriter;
import java.io.FileWriter;
import java.io.IOException;

public class Log {
  private String logFile = "MyLOG.txt";
  private Log _instance;
  private PrintWriter log;
  /**StringHandler类的实例对象*/
  private static StringHandler stringHandler;

  public Log() {
    stringHandler = new StringHandler().getStringHandler();
  }

  public Log(String logFile) {
    this.logFile = logFile;
    stringHandler = new StringHandler().getStringHandler();
  }

  /**
   * 本类的实例对象
   * @return Log
   */
  public Log getLog() {
    if (_instance == null) {
      _instance = new Log();
    }
    return _instance;
  }

  /**
   * 写日志
   * @param info String
   */
  public void writeLog(String info) {
    try {
      log = new PrintWriter(new FileWriter(logFile, true), true);
      info = "[" + stringHandler.getCurrentTime() + "]" + info;
      log.println(info);
    }
    catch (IOException ex) {
      ex.printStackTrace();
    }
  }
}